GLOSSARY. 327 



Incise, deeply cut, as the leaves of the Hawthorns. 



Included, not extending beyond the organs surrounding it. 



Incurved, curved inwards. 



Indefinite, many but uncertain in number, like the stamens of some Cactuses. 



Indehiscent, not bursting. 



Indeterminate, inflorescence having always a terminal leaf bud. 



Induplicate, when the edges of organs arranged in a valvate manner are folded 



inwards. 



Inferior, beneath. 

 Inflexed, curved inwards. 

 Inflorescence, arrangement of the flowers. 

 Internode, the space between two nodes. 



Interruptedly pinnate, when pairs of small alternate with large pinnae. 

 Involucels, the involucres of secondary umbels. 



Involucre, the whorled bracts at the base of an umbel, head, or single flower. 

 Involute, rolled from the back of anything, as towards the upper side of a leaf. 

 Keel, a prominent ridge, also applied to the union of the two lower petals of 



pea-flowers. 



Laciniate, divided into narrow irregular lobes. 



Lanceolate or lance-shaped, narrowly elliptic and tapering to each end. 

 Lancet-shaped, shortly and bluntly lanceolate. 

 Lax, loosely arranged. 



Leaflets, the subdivisions of compound leaves. 

 Legume, a one-celled and two-valved seed vessel with the seeds arranged along 



the inner angle, as in the Pea. 

 Ligulate, strapshaped. 



Ligule, a membrane at the base of the blade of the leaf of Grasses. 

 Limb, the flattened expanded part of a leaf or petal. 

 Linear, very narrow and long. 



LinguLate, tongueshaped ; long, fleshy, convex, blunt. 

 Lipped, a corolla or calyx of two lips, like the Snapdragon. 

 Lobate, cut into rather large divisions, 

 Lobule, a small lobe. 

 Lozenge-shaped, obliquely quadrangular, attached by one of the more acute 



angles. 



Lunate, shaped like the new moon. 

 Lyrate, a pinnatifid leaf with the lobes successively and gradually enlarging 



from the petiole, and ending in one still larger lobe, like that of the Turnip. 

 Marcescent, withering but remaining in its place. 

 Membranous, of the texture of membrane ; thin and flexible. 

 Midrib, the large vein extending along the middle of a leaf from its petiole 



nearly or quite to the other end. 

 Monocotyledonous, having one sheathing cotyledon. 

 Monoecious, with the sexes in separate flowers on the same plant. 

 M onosepalous ; monopetalous, when the sepals or petals are joined by their edges 



so as apparently to form one. 



Mucronate, abruptly tipped with a short point of the same texture. 

 Multifid, divided into many parts. 

 Muricate, covered with short sharp points. 

 Nectary, an organ which secretes honey. 

 Netted, covered with lines connected together like network. 



